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3.
The act of hurting and/or killing someone just like the Jews were during the holocaust.
Adelina holocausted John because he called her fat.
by Adelina March 27, 2004
 
1.
To play the "persecution" card, to rant and rave about perceived injustices against "your people."

Worth noting that holocausting isn't limited to people of Jewish descent.
"Dude, stop holocausting. It was just a joke."
by PrincessJetta October 23, 2008
 
2.
To go on a diet to achieve a very very weak and skinny looking physique.
Girl 1. "Like OMG, I gained five hundredths of a pound. BRB HOLOCAUSTING."

Girl 2. "YOU GO GIRL."
by RUVENSTRUM December 25, 2009